. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder . Leptasterias polaris acervata and Strongylocentrotus droebachiensis. DOMINANT EPIFAUNAL SPECIES The following 11 species were dominant in biomass or abundance, or both, in at least one of the three study areas. Whelk Neptunea heros Among the more than 100 species of moUusks encountered, Neptunea heros was the dominant species in all three study areas (Tables 65-3 and 65-4; Figs. 65-7 to 65-9). The biomass of this whelk increased with increasing latitude; it was most evident in the southe

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. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder . Leptasterias polaris acervata and Strongylocentrotus droebachiensis. DOMINANT EPIFAUNAL SPECIES The following 11 species were dominant in biomass or abundance, or both, in at least one of the three study areas. Whelk Neptunea heros Among the more than 100 species of moUusks encountered, Neptunea heros was the dominant species in all three study areas (Tables 65-3 and 65-4; Figs. 65-7 to 65-9). The biomass of this whelk increased with increasing latitude; it was most evident in the southeastern Chukchi Sea, where it made up percent of the total epifaunal biomass with an average biomass of g/m^. Neptunea heros had a mean density of in the southeastern

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